Unit 4 Topic 1 Section A 教案.doc

Unit 4 Amazing ScienceTopic 1 Section A教案Teaching aims and demands 1. Learn some new words and phrases: come true, toothbrush, steel, ink, and recorder2. Learn the past simple passive voice:(1) - Whats it used for? - Its used for writing on.(2) - When was it developed? - Around 2005. (3) It was developed in the Beijing Renai Education Institute. 3. Talk about new technology and inventions. Teaching aids 录音机/磁带/钢尺/牙刷/纸片/印有红酒、墨水、数码照相机和电梯的图片/墨水Teaching planStep 1 Review1.教师挑选一名穿着颜色鲜艳，较新的衣服的女生站到讲台前。复习被动语态的一般现在时的用法和结构，为导入新课做准备。T: She is a very beautiful girl, do you think so?Students: Yes. T: Do you like her coat?Students: Yes, we do. T: Now, let me touch it. Whats it made of?S: Is it made of cotton?T: Yes, its made of cotton. Now, boys and girls. Can you guess where it is made? You can guess like this “Is it made in Shanghai / Beijing / Guangdong?”2.出示钢尺和墨水，导入生词和目标语言。以教师提问，学生回答的方式，在学生之间互相问答。(1)T: Whats this in English?Students: Its a ruler. T: Whats it made of?Students: Its made of steel.(2)T: How do you say this in English?Students: Its a piece of paper. T: Whats it made from?Students: Its made from wood. (3)T: Whats this?Students: 墨水. T: Its ink in English. Whats it made from?Students: Its made from carbon.(4)由学生问答。S1: And this?S2: Its a toothbrush. S1: Whats it made of?S2: Its made of plastic. 教师引导学生总结be made of与be made from的区别：be made of 表示原材料未经化学变化，be made from表示原材料经过化学变化，已看不出原材料。3.出示图片：电梯、红酒和墨水，导入本课语法：被动语态的过去式。先是老师问，学生答，然后由学生互相问答。注：图片背面标注产地和生产日期。(1)师生问答。T: Look! I have a picture. Theres lift in the picture. When was it made? You can guess. Students: Was it made in ten years ago?T: No, it wasnt. It was made in 2005.Now talk about the rest of the pictures with your partner, please. (2)学生问答。T: Group1 talk about the red wine. S3: What was the red wine made from?S4: It is made from grapes. S3: Where was it made?S4: It was made in France. S3: When was it made?S4: It was made in 1940. T: Group 2 talk about the ink. S5: What is the ink made from?S6: It is made from carbon. S5: Where was it made?S6: It was made in Shanghai. S5: When was it made?S6: It was made in 2004. Step 2 Presentation 1.教师提出问题，让学生带着问题听1a，然后让学生回答问题。T: Listen to the tape carefully and find out the answers to the questions:(1) Why is Jane unhappy?(2) What is the model rocket made of?Answers:(1)Jane is unhappy because she is not allowed to play computer games. (2)The model rocket is made of wood. 2. 让学生读1a，找出重难点句。I wish I could go into space some day. 教师讲解此句为虚拟语气，只作了解，不作掌握要求。Step 3 Consolidation 让学生找出对话中的关键词，教师板书。然后让学生根据关键词两人对话复述1a。T: Boys and girls. Lets find out the key words together, OK?Step 4 Project 收集各种发明，如传真机、汽车、火车等等，学生可以在谈论自己感兴趣的发明中不断的使用was made in / be made of / be used for这些目标语言。Step 5 HomeworkPleas